package com.dell.chen.servlet;

import javax.servlet.ServletException;
import javax.servlet.http.HttpServlet;
import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;
import java.io.IOException;
import java.lang.reflect.Method;

/**
 * @author ：ChenwithIU
 * @date ：Created in 2020/11/24 18:46
 */
public class BaseServlet extends HttpServlet {
    @Override
    protected void doGet(HttpServletRequest req, HttpServletResponse resp) throws ServletException, IOException {
        doPost(req, resp);
    }

    @Override
    protected void doPost(HttpServletRequest req, HttpServletResponse resp) throws ServletException, IOException {
        //解决乱码
        req.setCharacterEncoding("UTF-8");
        resp.setContentType("text/html;charset=UTF-8");

        //action
        String action = req.getParameter("action");

        try {
            Method method = this.getClass().getDeclaredMethod(action,HttpServletRequest.class,HttpServletResponse.class);

            //调用业务方法：
            method.invoke(this,req,resp);

        } catch (Exception e) {
            e.printStackTrace();
//            throw new RuntimeException(e);//抛异常
        }

    }
}
